This Filtration Kit allows rapid separation of mixtures via vacuum filtration. The stopper is cut to hold a Buchner funnel. The hand-operated vacuum pump simplifies vacuum filtration, eliminating the need for a water source or vacuum aspirator. It is more economical than an electric vacuum pump.…

These wide-mouth flint glass reagent bottles come with ground glass stoppers and are available in multiple capacities. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including arsenic, which are known to the State of California to cause cancer, birth defects, or…

This easily readable thermometer can measure soil and compost temperatures between -15°C and 65°C. Its 32cm long body has a ball at one end to make it easier to stick the thermometer into the soil. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including nickel…

A high quality laboratory grade porcelain, made with uniform wall thickness and dense materials which provides stable mechanical strength and little permeability. When properly used, the glazed pieces can withstand temperatures of 1050 degrees centigrade and the unglazed pieces can withstand…

Microscope Slides Glass, frosted on one end and one side which is used to mark your slide. Size 25mmx 76mm x 1.0-1.2mm.

These borosilicate glass Sintered Funnels have a porous filtering plate. They come in three sizes and two levels of porosity . PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects,…

A standard quality laboratory grade porcelain, made with uniform wall thickness and dense materials which provides stable mechanical strength and little permeability. When properly used, the glazed pieces can withstand temperatures of 1050 degrees centigrade and the unglazed pieces can withstand…

Cork lab rings are used to support round bottom flasks and protect table surfaces. They are all 30mm thick (height when laying on a surface) and vary by the diameter of the ring and the hole. Used to protect your expensive laboratory glass from breakage. Available in the following sizes: …

A high quality porcelain crucible. The porcelain is uniform in thickness and dense which allows stable mechanical strength and little permeability. When properly used, the glazed pieces can withstand temperatures of 1050 degrees centigrade. The crucibles are glazed on the inside and outside surface.

Optical Bench Student Demo A simple form Optical Bench that provides an accurate demonstrations of basic optics principles. It uses a metric meter stick as the support bench. The complete system includes: meter stick 100cm length, 1 object market, 1 object screen, 1 screen support, 1 pair of…

These disposable transfer pipettes are non-sterile and made from low-density polyethylene (LDPE) plastic. Our 3ml pipettes are graduated up to 1ml in 0.25ml increments and are 140mm long, our 5ml pipettes are graduated up to 1ml in 0.25ml increments and are 150mm long, and our 7ml pipettes are…

Nickel plated or stainless steel crucible tong with non-binding joints for carrying hot crucibles and evaporating dishes.

These borosilicate glass Volumetric Pipettes are used to measure the volume of liquids. They are color coded and graduated. Volumetric pipettes allow for an extremely accurate measurement of a solution. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead,…

The Distilling Apparatus has a number of applications but is often purchased for producing small quantities of essential oils or perfumes. The Flask and Graham Condenser are made from a high quality borosilicate glass and are provided with 24/40 Ground Glass Joints. The complete kit contains: Round…

The Glass Plate is made from single strength plate glass, 2mm thick. Used as a cover for Flasks, Cylinders or Beakers.

This set is made from high-quality borosilicate glass and all joints are ground 19/22. Set Includes: 1 West condenser 1 Distilling Column 1 Round-bottom flask, 500ml 1 Round-bottom flask, 250ml 1 Round-bottom flask, 100ml 1 Round-bottom flask, 50ml 1 Round-bottom flask, 25ml …

An optical bench allows you to perform and observe the fundamentals of optics such as image formation, reflection, refraction, and more. The bench consists of a painted, square aluminum bar, two molded supports with leveling screws, and graduations from 0cm to 100cm, subdivided in millimeters. Feel…

Connector cords are useful in various electricity experiments, as well as in many apparatuses that require connections to power supplies. All of our connector cords are made of 18-gauge insulated wire. These connector cords have alligator-clips on each end. Alligator-clip ends are useful for useful…

Our two-piece polystyrene Petri dishes are sold in sleeves of 20.

Electrolysis Unit Hoffman Standard The apparatus is supplied with the Hoffman Glass Collecting Tube and Reservoir #57001. The Collection Tubes are graduated to 60ml x 0.2ml subdivision. The top of each tube is fitted with ground glass stopcocks. The Reservoir Tube is 16" in length and is…

Demonstrate the relationship between length of the lever arm, moment of force, and amount of force. The unit is designed to help students to understand the principles of torque and its properties. The Kit includes: a 50cm meter stick, a cast iron support stand, 3-knife edge clamps, 1-50 gram hooked…

These wide-mouth flint glass jars come with phenolic lids. They are available in multiple capacities. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including arsenic, which are known to the State of California to cause cancer, birth defects, or other reproductive…

Cast iron construction with nickel plated thumb screws. Will accept rods up to 5/8" in diameter.

Pre-Cleaned Glass Slides with smooth ground edges and uniform thickness of 1.0-1.2mm. Size: 25.4 x 76.2.

Magnification loupes provide small, convenient magnifying lenses that fold into their own handles, allowing them to stay protected when not in use. These magnification loupes have a solid metal frame and one 21mm lens with 10X magnification. We also sell magnification loupes with plastic…

These clamps are for handling microscope slides. They are made of spring steel. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more…

These boxes are intended to hold the 1.8ml and 5ml cryogenic vials that we also sell. They are made from a tough translucent plastic. PRODUCT WARNINGS Our products are not toys . Use in a laboratory or educational setting only. Not for children 13 and under.

These stands have nickel-plated rods, and heavy, corrosion-resistant bases for stability. They come as a set with support rings included. Stamped Steel Base #4-SSS66-R2 : Base [4" x 6"], Rod [18" x 5/16"], 2 Rings [diameter 3", 4"] #4-SSS67-R3 :…

Flint glass is also known as soda lime glass. When compared to borosilicate glass, it has a lower melting point, chemical resistance, and expansion rate. Our flint glass tubing has a wall thickness of 1mm to 1.2mm, and is available in various pack sizes. All of out flint glass tubing is sold in…

The funnel diameter of this thistle tube is 42mm. The stem is 6.6mm in diameter and 230mm long. It is made from polypropylene plastic.

The Harbottle Pressure Globe helps students to understand the meaning of fluid pressure and pressure reduction. Simply place a balloon into the opening of the glass Harbottle and stretch the mouth of the balloon over the opening of the bottle. Blow into the balloon and, when it is fully inflated,…

These borosilicate glass Erlenmeyer flasks have narrow mouths, tooled top finishes, and graduations. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive…